When and where is Sea-Air-Space 2027?

From 4 to 7 April 2027 at the Gaylord National Resort & Convention Center in National Harbor, Maryland.

Is it open to the public?

No. Attendance is limited to qualified categories such as military personnel, government employees, defense industry professionals, congressional staff, international delegates, Navy League members, invited guests and accredited media.

How do I pick up my badge?

Bring the barcode emailed by show registration a week before the event plus a government-issued photo ID, such as a driver's license, military ID or passport.

Civilians wear business professional attire; Navy attendees wear khakis, Marine Corps Service Charlies and Coast Guard Tropical Blues.

Security · Exhibition

Sea-Air-Space 2027

Name: Sea-Air-Space 2027
Start: 2027-04-04T09:00:00+00:00
End: 2027-04-07T17:00:00+00:00
Location: Gaylord National Resort & Convention Center

The Navy League's global maritime exposition, where the defense industry meets U.S. and allied sea service decision-makers.

4–7 April 2027 · Sun – Wed
Gaylord National Resort & Convention Center · National Harbor, United States
Registration open · on seaairspace.org

About this event

Sea-Air-Space is the Navy League of the United States' annual maritime exposition and the largest of its kind in the country. Founded in 1965, it brings the U.S. defense industrial base, private-sector companies and senior leaders of the Navy, Marine Corps, Coast Guard and Merchant Marine together near Washington, D.C. for keynotes, policy panels and an exhibition of the technology behind maritime power.

What to expect

The event combines a large exhibition with a professional programme for the maritime defense community.

Four exhibit hall experiences with hundreds of exhibits across maritime, naval and defense technology
Keynotes and luncheons with defense, industry and government leaders
Expert-led panels and sessions on the defense landscape
Guided VIP tours linking customers directly to suppliers
Awards programme, including the Michelson and Nimitz awards
A STEM Expo and a Transition Connection hiring event

Who can attend

Sea-Air-Space is not open to the public. Attendance is limited to U.S. military personnel (active, reserve and retired), government employees, defense industry professionals, members of Congress and their staff, international delegates, Navy League members, invited guests and accredited media. Children over 15 may attend with a registered adult.

Dress and badges

Civilian attendees wear business professional attire, while uniformed attendees follow service-specific dress. Badges are collected on site with the emailed barcode and a government-issued photo ID; none are mailed in advance.

Sea-Air-Space 2027 is a Security event taking place 4-7 Apr 2027 at Gaylord National Resort & Convention Center, National Harbor, United States.